M119L09to10-page11 - In that special case P A and B = and...

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(Lesson 10: Addition Rule; 4-3) 4.11 Subtracting P A and B ( ) adjusts for the double-counting from the first two terms. Consider the following Venn Diagram: Note: The General Addition Rule works even if A and B are mees.
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Unformatted text preview: In that special case, P A and B ( ) = , and the rule boils down to: P A or B ( ) = P A ( ) + P B ( ) , as it should. Consider: Challenge: What would be the General Addition Rule for P A or B or C ( ) ?...
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This note was uploaded on 12/29/2011 for the course MATH 119 taught by Professor Kim during the Fall '09 term at SUNY Stony Brook.

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